Revert of Refactor content/common/gpu into gpu/ipc/service

content/common/gpu/gpu_memory_buffer_factory.h

+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_
+#define CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_
+
+#include <vector>
+
+#include "base/macros.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
+#include "content/common/content_export.h"
+#include "gpu/ipc/common/surface_handle.h"
+#include "ui/gfx/geometry/size.h"
+#include "ui/gfx/gpu_memory_buffer.h"
+
+namespace gpu {
+class ImageFactory;
+}
+
+namespace content {
+
+class CONTENT_EXPORT GpuMemoryBufferFactory {
+ public:
+  virtual ~GpuMemoryBufferFactory() {}
+
+  // Creates a new factory instance for native GPU memory buffers.
+  static scoped_ptr<GpuMemoryBufferFactory> CreateNativeType();
+
+  // Creates a new GPU memory buffer instance. A valid handle is returned on
+  // success. It can be called on any thread.
+  virtual gfx::GpuMemoryBufferHandle CreateGpuMemoryBuffer(
+      gfx::GpuMemoryBufferId id,
+      const gfx::Size& size,
+      gfx::BufferFormat format,
+      gfx::BufferUsage usage,
+      int client_id,
+      gpu::SurfaceHandle surface_handle) = 0;
+
+  // Creates a new GPU memory buffer instance from an existing handle. A valid
+  // handle is returned on success. It can be called on any thread.
+  virtual gfx::GpuMemoryBufferHandle CreateGpuMemoryBufferFromHandle(
+      const gfx::GpuMemoryBufferHandle& handle,
+      gfx::GpuMemoryBufferId id,
+      const gfx::Size& size,
+      gfx::BufferFormat format,
+      int client_id) = 0;
+
+  // Destroys GPU memory buffer identified by |id|.
+  // It can be called on any thread.
+  virtual void DestroyGpuMemoryBuffer(gfx::GpuMemoryBufferId id,
+                                      int client_id) = 0;
+
+  // Type-checking downcast routine.
+  virtual gpu::ImageFactory* AsImageFactory() = 0;
+
+ protected:
+  GpuMemoryBufferFactory() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GpuMemoryBufferFactory);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_COMMON_GPU_GPU_MEMORY_BUFFER_FACTORY_H_